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  Hydroxyl radicals in the Amazon tropical troposphere measured during the CAFE-Brazil field campaign with HORUS

Holzbeck, P., Sreekumar, S., Tsokankunku, A., Marno, D., Rohloff, R., Martinez, M., et al. (2023). Hydroxyl radicals in the Amazon tropical troposphere measured during the CAFE-Brazil field campaign with HORUS. EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-10355. doi:10.5194/egusphere-egu23-10355.

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Genre: Meeting Abstract

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externe Referenz:
https://meetingorganizer.copernicus.org/EGU23/EGU23-10355.html (beliebiger Volltext)
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 Urheber:
Holzbeck, Philip1, Autor           
Sreekumar, Sreedev1, Autor           
Tsokankunku, Anywhere1, Autor           
Marno, Daniel1, Autor           
Rohloff, Roland1, Autor           
Martinez, Monica1, Autor           
Nussbaumer, Clara1, Autor           
Fischer, Horst1, Autor           
Curtius, Joachim, Autor
Pöhlker , Mira, Autor
Lelieveld, Jos1, Autor           
Harder, Hartwig1, Autor           
Affiliations:
1Atmospheric Chemistry, Max Planck Institute for Chemistry, Max Planck Society, ou_1826285              

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Schlagwörter: -
 Zusammenfassung: Ozone is a greenhouse gas and, after water, the second most relevant contributor to global warming in the upper troposphere. Therefore, understanding and monitoring the processes contributing to ozone production is an important tool in observing the progression of climate change. The two main tropospheric precursors to ozone formation are nitrogen oxides (NOx = NO + NO2) and volatile organic compounds (VOC). Depending on their availability, ozone production can be limited by either of its precursors. In our study, we focus on processes contributing to ozone formation and loss in the upper tropical troposphere, where changes in ozone have one of the largest impacts on the radiative forcing. Based on modeled trace gas concentrations and meteorological parameters by the EMAC atmospheric chemistry - general circulation model, we analyze a variety of metrics including net ozone production rates (NOPR), the formaldehyde (HCHO) to NO2 ratio and the share of methyl peroxyradicals (CH3O2) forming HCHO (αCH3O2) in their ability to indicate the dominating ozone regime in the upper troposphere between 30°N and 30°S latitude.

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Sprache(n): eng - English
 Datum: 2023-04
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Keine Begutachtung
 Identifikatoren: DOI: 10.5194/egusphere-egu23-10355
 Art des Abschluß: -

Veranstaltung

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Titel: EGU General Assembly 2023
Veranstaltungsort: Vienna, Austria
Start-/Enddatum: 2023-04-24 - 2023-04-28

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Titel: EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023,
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: - Artikelnummer: EGU23-10355 Start- / Endseite: - Identifikator: -